2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Middle Iron Pitting

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Old Feb 18, 2013 | 11:51 PM
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Middle Iron Pitting

I was cleaning up engine parts and found this. How concerned should I be?

I'm most concerned about the circled area. It's right on the edge of the groove and there is a tiny bit of material missing. But on the flipside it's also on the outer part of the seal.



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Old Feb 19, 2013 | 12:51 AM
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From: Indiana
NVM the post. I got my answer
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Old Feb 19, 2013 | 01:26 AM
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Share the answer?
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Old Feb 19, 2013 | 11:51 AM
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No worries at all.
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Old Feb 19, 2013 | 11:56 AM
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looks fine to me, the intake/exhaust side is always the worst.
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Old Feb 19, 2013 | 12:00 PM
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From: Indiana
^^ What they said

I had a knee jerk reaction when I saw the pitting right on the edge of the groove. After posting and giving it some thought I realized that the sealing for gaskets and seals happens on the front side (facing what it's sealing) not the back side. I did a little research and found confirmation for what I had already come to realize. It's the seal doing the sealing not the mating of the metal on metal...to an extent. In a perfect world we would all use perfect irons, but pitting is pretty normal and acceptable.
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